Money

• throw good money after bad
  тратить деньги впустую, упорствовать в безнадёжном деле

  They closed the mine because they couldn't afford to throw good money after bad.
• throw money around
  сорить деньгами

  Paul made up his mind to buy a piece of waste land and built a swimming pool on it, but I believe that he is simply throwing money around; the idea doesn't seem to be good.
• tidy sum of money
  довольно большая сумма денег

  Samuel decided to sell his shop and hoped to get a tidy sum of money from the sale.
• time is money
  время - деньги

  "Don't waste your time doing nothing; remember time is money."